#!/usr/bin/perl
#
#  Copyright 2011-2012 Gregory Banks
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
#

use strict;
use warnings;
use POSIX;

my $cwd = getcwd();

while (<>)
{
    chomp;

    my $i = index($_, $cwd);
    if ($i >= 0)
    {
	substr($_, $i, length($cwd)) = '$PWD';
    }

    print "$_\n";
}
